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Finding the Fourth Proportional to 539,096.40, 808,644.60 and 371,134.80

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Solution

The fourth proportional to 539,096.40, 808,644.60 and 371,134.80 is: 556,702.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,096.40 : 808,644.60 = 371,134.80 : x
  2. Step 2: Convert to fraction form
    539,096.40/808,644.60 = 371,134.80/x
  3. Step 3: Cross multiply
    539,096.40x = 808,644.60 × 371,134.80
  4. Step 4: Simplify right side
    539,096.40x = 300,116,151,892.08
  5. Step 5: Solve for x
    x = 300,116,151,892.08/539,096.40
  6. Step 6: Final answer
    x = 556,702.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.